Granite
Felsic intrusive igneous rock
igneous
Category
Igneous (Anthropogenic)
Browse igneous (anthropogenic) specimens identified by the Rock Identifier community.
Learn about Igneous (Anthropogenic) in the encyclopedia
View all →
Granite
Granite
igneous
Rounded gray sandstone or siltstone cobble
Lithified quartz–feldspar–clay sediment; exact petrographic identification requires testing
sedimentary
Granite
Phaneritic Intrusive Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Granite
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Granite fragment
Granite
igneous
Granite
Granite (a common type of Felsic Intrusive Igneous Rock)
Igneous Rock
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Cloudy Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite in Quartz
Na8(Al6Si6O24)Cl2 (Sodalite) / SiO2 (Quartz)
metamorphic
Basalt with Granite Inclusions (Xenolith)
Mafic Igneous Rock (Basalt) with Felsic Igneous Inclusion (Granite)
igneous
Labradorite (in rough matrix)
Labradorite (Plagioclase Feldspar)
mineral
Quartz with Mica
SiO2 (Quartz) with Potassium aluminum silicate (Muscovite)
Mineral
Granite
Granite
Igneous
Quartz with Epidote
Silicon dioxide (SiO2) with Calcium aluminum iron silicate (Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
mineral
Pink Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
gemstone
Labradorite
Labradorite ((Ca,Na)(Al,Si)4O8)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Porphyritic Basalt (with Augite Crystals)
Porphyritic Mafic Volcanic Rock (Fe-Mg Silicates)
igneous
Tumbled white quartz pebble
Quartz, silicon dioxide (SiO₂), likely milky quartz
mineral
Plagioclase Feldspar (specifically Albite/Oligoclase)
(Na,Ca)(Si,Al)4O8
mineral
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Porphyry (Rhyolite / Andesite Porphyry Pebble)
Porphyritic Igneous Rock
igneous
River Stone (likely Basalt or Gabro)
Mafic Igneous Rock
igneous
Basalt Pebble
Mafic Igneous Basalt
igneous
Basalt
Mafic Igneous Rock
igneous
Basalt (Weathered)
Mafic Igneous Rock
igneous
Porphyry
Porphyritic Igneous Rock
igneous
Basalt
Mafic Igneous Rock
igneous
Basalt (with Iron Staining)
Mafic Igneous Rock
igneous
River Pebble (Basalt or Gabbro)
Mafic Igneous Rock
igneous
Basalt
Mafic Igneous Rock
igneous
Basalt (Weathered)
Mafic Igneous Rock
igneous
Basalt Pebble
Extrusive Igneous Rock
igneous